NB> So according to the above, I shouldn't have two addresses, right?
No, that means PE isn't the cause of your two addresses.
MR>> When you enable PE you'll get two addresses for each prefix. The MR>> first one is the automatic one based on the MAC. And the second one is MR>> the random one. There are also some timers which can be adjusted to MR>> optimize the handling of the address changes.
NB> This is where the problem lies. I don't have PE enabled, so I NB> shouldn't have two addresses. And you also mention that the first one NB> is the automatic based on the MAC, whereas it seems as though my two NB> are backwards!
I didn't relate directly to your specific addresses, it was just the explanation of PE.